/*****************************************************************************
 * macroblock.h: macroblock common functions
 * copy from x264 project
 *****************************************************************************
 * Copyright (C) 2005-2014 x264 project
 *
 * Authors: Loren Merritt <lorenm@u.washington.edu>
 *          Laurent Aimar <fenrir@via.ecp.fr>
 *          Fiona Glaser <fiona@x264.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
 *
 * This program is also available under a commercial proprietary license.
 * For more information, contact us at licensing@x264.com.
 *****************************************************************************/

#ifndef __I264E_MACROBLOCK_H__
#define __I264E_MACROBLOCK_H__

/* zigzags are transposed with respect to the tables in the standard */
static const uint8_t i264e_zigzag_scan4[2][16] =
{{ // frame
    0,  4,  1,  2,  5,  8, 12,  9,  6,  3,  7, 10, 13, 14, 11, 15
},
{  // field
    0,  1,  4,  2,  3,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15
}};
static const uint8_t i264e_zigzag_scan8[2][64] =
{{
    0,  8,  1,  2,  9, 16, 24, 17, 10,  3,  4, 11, 18, 25, 32, 40,
   33, 26, 19, 12,  5,  6, 13, 20, 27, 34, 41, 48, 56, 49, 42, 35,
   28, 21, 14,  7, 15, 22, 29, 36, 43, 50, 57, 58, 51, 44, 37, 30,
   23, 31, 38, 45, 52, 59, 60, 53, 46, 39, 47, 54, 61, 62, 55, 63
},
{
    0,  1,  2,  8,  9,  3,  4, 10, 16, 11,  5,  6,  7, 12, 17, 24,
   18, 13, 14, 15, 19, 25, 32, 26, 20, 21, 22, 23, 27, 33, 40, 34,
   28, 29, 30, 31, 35, 41, 48, 42, 36, 37, 38, 39, 43, 49, 50, 44,
   45, 46, 47, 51, 56, 57, 52, 53, 54, 55, 58, 59, 60, 61, 62, 63
}};

#endif

